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  <div class="section" id="rgw">
<span id="rgw-mfa"></span><h1>RGW 对多因子认证的支持情况<a class="headerlink" href="#rgw" title="Permalink to this headline">¶</a></h1>
<div class="versionadded">
<p><span class="versionmodified added">New in version Mimic.</span></p>
</div>
<p>The S3 multifactor authentication (MFA) feature allows
users to require the use of one-time password when removing
objects on certain buckets. The buckets need to be configured
with versioning and MFA enabled which can be done through
the S3 api.</p>
<p>Time-based one time password tokens can be assigned to a user
through radosgw-admin. Each token has a secret seed, and a serial
id that is assigned to it. Tokens are added to the user, can
be listedm removed, and can also be re-synchronized.</p>
<div class="section" id="id1">
<h2>多站点<a class="headerlink" href="#id1" title="Permalink to this headline">¶</a></h2>
<p>While the MFA IDs are set on the user’s metadata, the
actual MFA one time password configuration resides in the local zone’s
osds. Therefore, in a multi-site environment it is advisable to use
different tokens for different zones.</p>
</div>
<div class="section" id="id2">
<h2>术语<a class="headerlink" href="#id2" title="Permalink to this headline">¶</a></h2>
<p>-<code class="docutils literal notranslate"><span class="pre">TOTP</span></code>: Time-based One Time Password</p>
<p>-<code class="docutils literal notranslate"><span class="pre">token</span> <span class="pre">serial</span></code>: a string that represents the ID of a TOTP token</p>
<p>-<code class="docutils literal notranslate"><span class="pre">token</span> <span class="pre">seed</span></code>: the secret seed that is used to calculate the TOTP</p>
<p>-<code class="docutils literal notranslate"><span class="pre">totp</span> <span class="pre">seconds</span></code>: the time resolution that is being used for TOTP generation</p>
<p>-<code class="docutils literal notranslate"><span class="pre">totp</span> <span class="pre">window</span></code>: the number of TOTP tokens that are checked before and after the current token when validating token</p>
<p>-<code class="docutils literal notranslate"><span class="pre">totp</span> <span class="pre">pin</span></code>: the valid value of a TOTP token at a certain time</p>
</div>
<div class="section" id="id3">
<h2>管理命令<a class="headerlink" href="#id3" title="Permalink to this headline">¶</a></h2>
<div class="section" id="mfa-totp">
<h3>创建 MFA TOTP 新令牌<a class="headerlink" href="#mfa-totp" title="Permalink to this headline">¶</a></h3>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="c1"># radosgw-admin mfa create --uid=&lt;user-id&gt; \</span>
                           <span class="o">--</span><span class="n">totp</span><span class="o">-</span><span class="n">serial</span><span class="o">=&lt;</span><span class="n">serial</span><span class="o">&gt;</span> \
                           <span class="o">--</span><span class="n">totp</span><span class="o">-</span><span class="n">seed</span><span class="o">=&lt;</span><span class="n">seed</span><span class="o">&gt;</span> \
                           <span class="p">[</span> <span class="o">--</span><span class="n">totp</span><span class="o">-</span><span class="n">seed</span><span class="o">-</span><span class="nb">type</span><span class="o">=&lt;</span><span class="nb">hex</span><span class="o">|</span><span class="n">base32</span><span class="o">&gt;</span> <span class="p">]</span> \
                           <span class="p">[</span> <span class="o">--</span><span class="n">totp</span><span class="o">-</span><span class="n">seconds</span><span class="o">=&lt;</span><span class="n">num</span><span class="o">-</span><span class="n">seconds</span><span class="o">&gt;</span> <span class="p">]</span> \
                           <span class="p">[</span> <span class="o">--</span><span class="n">totp</span><span class="o">-</span><span class="n">window</span><span class="o">=&lt;</span><span class="n">twindow</span><span class="o">&gt;</span> <span class="p">]</span>
</pre></div>
</div>
</div>
<div class="section" id="id4">
<h3>罗列 MFA TOTP 令牌<a class="headerlink" href="#id4" title="Permalink to this headline">¶</a></h3>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="c1"># radosgw-admin mfa list --uid=&lt;user-id&gt;</span>
</pre></div>
</div>
</div>
<div class="section" id="id5">
<h3>查看 MFA TOTP 令牌<a class="headerlink" href="#id5" title="Permalink to this headline">¶</a></h3>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="c1"># radosgw-admin mfa get --uid=&lt;user-id&gt; --totp-serial=&lt;serial&gt;</span>
</pre></div>
</div>
</div>
<div class="section" id="id6">
<h3>删除 MFA TOTP 令牌<a class="headerlink" href="#id6" title="Permalink to this headline">¶</a></h3>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="c1"># radosgw-admin mfa remove --uid=&lt;user-id&gt; --totp-serial=&lt;serial&gt;</span>
</pre></div>
</div>
</div>
<div class="section" id="id7">
<h3>检查 MFA TOTP 令牌<a class="headerlink" href="#id7" title="Permalink to this headline">¶</a></h3>
<p>Test a TOTP token pin, needed for validating that TOTP functions correctly.</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="c1"># radosgw-admin mfa check --uid=&lt;user-id&gt; --totp-serial=&lt;serial&gt; \</span>
                          <span class="o">--</span><span class="n">totp</span><span class="o">-</span><span class="n">pin</span><span class="o">=&lt;</span><span class="n">pin</span><span class="o">&gt;</span>
</pre></div>
</div>
</div>
<div class="section" id="id8">
<h3>重新同步 MFA TOTP 令牌<a class="headerlink" href="#id8" title="Permalink to this headline">¶</a></h3>
<p>In order to re-sync the TOTP token (in case of time skew). This requires
feeding two consecutive pins: the previous pin, and the current pin.</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="c1"># radosgw-admin mfa resync --uid=&lt;user-id&gt; --totp-serial=&lt;serial&gt; \</span>
                           <span class="o">--</span><span class="n">totp</span><span class="o">-</span><span class="n">pin</span><span class="o">=&lt;</span><span class="n">prev</span><span class="o">-</span><span class="n">pin</span><span class="o">&gt;</span> <span class="o">--</span><span class="n">totp</span><span class="o">=</span><span class="n">pin</span><span class="o">=&lt;</span><span class="n">current</span><span class="o">-</span><span class="n">pin</span><span class="o">&gt;</span>
</pre></div>
</div>
</div>
</div>
</div>



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